Massachusetts
UMass Extension Agriculture and Landscape Program
http://www.umass.edu/agland/

UMass Extension: Plant Disease Diagnosis and Insect ID
(Please note that these services are for professional use only, and are not directly available to the homeowner.)
http://www.umass.edu/agland/services/plant_diagnosis.html

Massachusetts Department of Agricultural Resources Pest Alert Page
(covers all animal and plant pests that impact the state, including native species)
http://www.mass.gov/agr/pesticides/pestfacts/pestalerts.htm

Connecticut
University of Connecticut Cooperative Extension: Integrated Pest Management
http://www.hort.uconn.edu/ipm/

University of Connecticut Cooperative Extension: Forestry
http://www.canr.uconn.edu/ces/forest/

Maine
University of Maine Cooperative Extension
http://www.umext.maine.edu/

University of Maine Cooperative Extension Insect and Plant Disease Diagnostic Lab
http://pmo.umext.maine.edu/ipddl/ipddl.htm

New Hampshire
University of New Hampshire Cooperative Extension Problem Diagnosis
http://extension.unh.edu/

Rhode Island
University of Rhode Island Landscape Horticulture Program
Green Share Fact Sheet Index
http://www.uri.edu/ce/factsheets/index.htm

University of Rhode Island Plant Protection Clinic
http://www.uri.edu/ce/ceec/plantclinic.html

Vermont
University of Vermont Extension Plant Diagnosis Clinic
http://pss.uvm.edu/pd/pdc/

Regional
Pest Resources Online for New England
http://pronewengland.org/

New England Greenhouse Update
http://www.negreenhouseupdate.info

Harmful Non-Indigenous Species in the United States, a report by the Office for Technology Assessment
http://govinfo.library.unt.edu/ota/Ota_1/DATA/1993/9325.PDF

Biotic Invasions: Causes, Epidemiology, Global Consequences, and Control
http://www.esa.org/science_resources/issues/FileEnglish/issue5.pdf (pdf file)

Exotic Species curriculum for Agricultural problem-solving Education (ESCAPE)
http://cgi.unk.edu/hoback/ESCAPE/home.html

Center for Invasive Plant Management: Educator Resources
http://www.weedcenter.org/education/edu_overview.html

Environmental Law Institute
State-specific summaries on each states/ laws and regulations related to invasive species
http://www.eli.org/Program_Areas/invasives/index.cfm

Pest Alert! Firewood: Threat from Invasive Beetles from National Park Service
Information about quarantine regulations affecting firewood movement

Invasive Alien Species: A Toolkit of Best Prevention and Management Practices
http://www.gisp.org/publications/toolkit/index.asp

Center for Invasive Plant Management
http://www.weedcenter.org

The Nature Conservancy
http://tncweeds.ucdavis.edu

Invasive Exotic Plant Management Tutorial for Natural Lands Managers from the Mid-Atlantic Exotic Pest Council
http://www.dcnr.state.pa.us/forestry/invasivetutorial/index.htm

A gateway to Federal and State Invasive Species Programs
http://www.invasivespecies.gov/

APHIS Invasive Species and Pest Management
http://www.aphis.usda.gov/ppq/ispm/

APHIS Pest Detection and Management Programs
http://www.aphis.usda.gov/ppq/ep/index.html

Federal Noxious Weed Program
http://www.aphis.usda.gov/ppq/weeds/

National Agricultural Pest Information Survey: A database for the Cooperative Agricultural Pest Survey
http://ceris.purdue.edu/napis/

Invasive Species Information node maintained by the Center for Biological Informatics of the U.S. Geological Survey
http://invasivespecies.nbii.gov/

Global Invasive Species Programme
http://www.gisp.org/

Invasive Species Specialist Group of the World Conservation Union
http://www.issg.org/

North American Plant Protection Organization Phytosanitary Phytosanitary Alert System
http://www.pestalert.org

Canadian Food Inspection Agency
http://www.inspection.gc.ca/english/toce.shtml

The Nature Conservancy Wildland Invasive Species Team
http://tncweeds.ucdavis.edu/

Invasive and Exotic Species of North America
A great resource for photos of invasive species
http://www.invasive.org/

Northeast
Invasive Plant Atlas of New England
http://nbii-nin.ciesin.columbia.edu/ipane/

Northwest
Invaders Database System
http://invader.dbs.umt.edu/

Southeast
Southeast Exotic Pest Plant Council
http://www.se-eppc.org/

Pacific Basin
Pacific Basin- Invasive Species
http://pbin.nbii.gov/invasives/index.asp

Alaska
Invasive Plants Program
Cooperative Extension Service
University of Alaska Fairbanks
P.O. Box 758155
Fairbanks, AK 99775-8155
http://www.cnipm.org

California
California Invasive Plant Council
http://www.cal-ipc.org/

Connecticut
Connecticut Invasive Plant Working Group
http://www.hort.uconn.edu/cipwg/

Florida
Florida Exotic Pest Plant Council
http://www.fleppc.org/

Bureau of Invasive Plant Management Florida Department of Environmental Protection
http://www.dep.state.fl.us/lands/invaspec/

Center for Aquatic and Invasive Plants
http://aquat1.ifas.ufl.edu/

Georgia
Georgia Exotic Plant Pest Council
http://www.gaeppc.org/

Hawaii
Hawaiian Ecosystems at Risk
http://www.hear.org/

Louisiana
Center for Bioenvironmental Research
Tulane and Xavier Universities
202 Alcee Fortier Hall
Tulane University
New Orleans, LA 70118
http://is.cbr.tulane.edu/

Maine
Maine Natural Areas Program: Invasive Plants
http://www.mainenaturalareas.org/docs/program_activities/invasive_plants.php

Massachusetts
Massachusetts Invasive Plant Advisory Group
http://www.massnrc.org/MIPAG/

The Massachusetts Aquatic Invasive Species Management Plan
http://www.mass.gov/czm/invasives/background/plan.htm

Montana
Center for Invasive Plant Management
http://www.weedcenter.org/index.html

New York
Invasive Plant Council of New York
http://www.ipcnys.org/

Tennesee
Institute for Biological Invasions
http://invasions.bio.utk.edu/Default.htm

Wisconsin
Invasive Plant Association of Wisconsin
http://www.ipaw.org/

Wisconsin Department of Natural Resources
http://www.dnr.state.wi.us/invasives/

last reviewed March 6, 2008